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OpenStudy (anonymous):
Given the function f(x) = 2(x + 4), find x if f(x) = 20
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OpenStudy (saifoo.khan):
20 = 2x + 8
OpenStudy (saifoo.khan):
2x = 12 x = 6
OpenStudy (anonymous):
20 = 2x + 8 2x = 12 x = 6
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